Article
Chemistry, Multidisciplinary
Shilong Li, Ming Zhao, Dongdong Zhang, Xiang Wu
Summary: Layered delta-MnO2 materials are considered to be ideal cathode materials for zinc ion storage, but the structural collapse during long cycling affects device performance. Preintercalation of cations is an efficient strategy to modulate the electrode structure and improve performance. In this study, K+ ion was introduced into the delta-MnO2 interlayer using a solvothermal route. The prepared samples delivered a capacity of 389 mA h/g at 0.2 A/g and maintained a capacity retention of 95% after 1000 charge/discharge cycles, demonstrating their important application prospects in the field of portable electronics.
CRYSTAL GROWTH & DESIGN
(2023)
Article
Engineering, Environmental
Haoyu Li, Huan Yao, Xinyi Sun, Chuanchao Sheng, Wei Zhao, Jianghua Wu, Shiyong Chu, Zhaoguo Liu, Shaohua Guo, Haoshen Zhou
Summary: Due to the goal of carbon neutrality, rechargeable aqueous Zn-MnO2 batteries have been gaining attention. However, there is still controversy surrounding the reaction process and influence factors of beta-MnO2 cathodes. This work proposes a complete MnO2/Mn2+ redox chemistry to explain the abnormal electrochemical behaviors of beta-MnO2 cathodes and reveals the effects of interfacial environment in regulating the electrochemical reactions, providing new insights into the working mechanism of aqueous Zn-MnO2 batteries.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Electrochemistry
Jing Huang, Mei Han, Peng Ji, Bo He, Xuansheng Feng, Ying Han, Kesheng Gao, Zeqing Miao, Changlong Sun, Jian Zhi, Lei Zhang, P. Chen
Summary: In this study, the introduction of mesopores in the beta-MnO2 cathode was shown to effectively address the issues of low capacity and poor cycling stability associated with manganese-based materials in RAZIBs. A novel strategy for optimizing the electrochemical performance of RAZIBs was provided through this structural modulation strategy.
ELECTROCHIMICA ACTA
(2022)
Article
Chemistry, Physical
Junjie Zheng, Chenchen Qin, Chi Chen, Chuankun Zhang, Pei Shi, Xin Chen, Yi Gan, Jingying Li, Jia Yao, Xin Liu, Junyan Cheng, Dan Sun, Houzhao Wan, Hao Wang
Summary: Aqueous rechargeable MnO2-Zn batteries have high security, low cost and environmentally friendly nature. However, the slow reaction kinetics and the poor cycle life of MnO2 cathode materials limit their practical application. In this study, oxygen-defect-rich β-MnO2(O-d) nanorods were successfully prepared, and the oxygen defects were found to improve the electrical conductivity and proton adsorption capability. The tested Zn//β-MnO2(O-d) batteries exhibited impressive specific capacity and capacity retention rate.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Materials Science, Ceramics
Peiyan Liu, Meiri Wang, Jing Li, Hongtao Cui, Tao Zeng, Shubin Yang, Huan Wang, Yuanyuan Liu
Summary: In this study, a unique 3D delta-MnO2 microflower hierarchical architecture was designed and synthesized to improve the performance of rechargeable aqueous Zn//MnO2 batteries, with a clarified storage mechanism of H+/Zn2+ co-insertion. The structure with high active site exposure and structural stability led to high capacity and long lifespan of the battery.
CERAMICS INTERNATIONAL
(2021)
Article
Nanoscience & Nanotechnology
Kun Han, Zhen Wang, Fuqiang An, Yongchang Liu, Xuanhui Qu, Junmin Xue, Ping Li
Summary: In this study, a high-performance aqueous Zn/MnO2 battery with a nanoparticle-like cathode and a dendrite-free Zn anode was developed. The cathode was modified with abundant surface oxygen defects and the annealing conditions were optimized to achieve the transformation from nanowire to nanoparticle structure. The small size of the nanoparticles promoted spatially uniform distribution of volume stress during carrier intercalation, improving the structural stability. Tailoring the surface oxygen defect of MnO2 enhanced the intercalation pseudocapacitive behavior of Zn2+, leading to improved cycling stability and redox kinetics. Additionally, the addition of K2SO4 in the electrolyte enabled stable Zn stripping/plating without dendrites. The assembled Zn/MO-V-o batteries exhibited high energy density and excellent long-term cyclability over 1400 cycles.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Review
Chemistry, Multidisciplinary
Yu Ren, Haoyu Li, Yuan Rao, Haoshen Zhou, Shaohua Guo
Summary: Rechargeable aqueous MnO2-based batteries have gained extensive attention due to their low cost, high safety, and competitive specific capacity. However, the complexity in the reaction mechanism and capacity evolution caused by MnO2 dissolution/deposition chemistry poses challenges for commercial applications. Batteries driven by exclusive MnO2 dissolution/deposition reaction offer high energy density and desirable theoretical potential, but face several key challenges.
ENERGY & ENVIRONMENTAL SCIENCE
(2023)
Article
Nanoscience & Nanotechnology
Kaixuan Ma, Qian Li, Cheng Hong, Gongzheng Yang, Chengxin Wang
Summary: The study synthesized bismuth-doped alpha-MnO2 using a hydrothermal method, which effectively enlarged lattice spacing and improved the electrochemical performance of Zn/MnO2 batteries. The Bi-doped alpha-MnO2 cathode exhibited high reversible specific capacity and long cycling stability, offering a new perspective to enhance the electrochemical properties of Zn/MnO2 batteries.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Engineering, Environmental
Huizhen Lv, Yu Song, Zengming Qin, Mingyue Zhang, Duo Yang, Qing Pan, Zhihui Wang, Xinjian Mu, Jianming Meng, Xiaoqi Sun, Xiao-Xia Liu
Summary: The unwanted disproportionation of Jahn-Teller (J-T) active manganese oxides (Mn3+) is utilized to achieve effective MnO2/Mn2+ transformation, resulting in high specific capacity and good cycling stability in Zn-MnO2 hybrid batteries. Mechanistic studies reveal the sequential processes of charging, discharging, and dissolution, providing insights into the controversial mechanisms of Zn-MnO2 batteries with mild aqueous electrolytes.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Multidisciplinary
Siyuan Gao, Bomin Li, Haiyan Tan, Fan Xia, Olusola Dahunsi, Wenqian Xu, Yuzi Liu, Rongyue Wang, Yingwen Cheng
Summary: The use of simple Zn(ClO4)(2) aqueous electrolytes has been proven to be effective in improving the performance of aqueous Zn-MnO2 batteries below freezing temperatures. The bulky ClO4- anion disrupts hydrogen bonds between water molecules and enables ion diffusion even while frozen, leading to improved capacity retention and stable zinc anode performance.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Physical
Yifei Geng, Liang Pan, Ziyu Peng, Zhefei Sun, Haichen Lin, Caiwang Mao, Ling Wang, Lei Dai, Haodong Liu, Kunming Pan, Xianwen Wu, Qiaobao Zhang, Zhangxing He
Summary: Aqueous Zn ion batteries (AZIBs) are a promising electrochemical energy storage device. Additive engineering is an innovative and flexible technology that effectively solves the challenges faced by AZIBs cathode and anode. This review summarizes the effects of additive engineering on cathode and anode, as well as the influence on charge storage mechanism and kinetic characteristics of AZIBs.
ENERGY STORAGE MATERIALS
(2022)
Article
Physics, Applied
Xin Shi, Xinyue Liu, Xianshuo Cao, Xiaoning Cheng, Xihong Lu
Summary: An aqueous Zn-Mn battery with high-rate and high-voltage has been proposed using oxygen functionalized carbon nanotubes substrate, addressing the low energy and power densities issue in Zn-based batteries. The battery exhibits superior capacity retention, outstanding power density, and energy density, providing significant insights for the development of high energy and power density aqueous batteries.
APPLIED PHYSICS LETTERS
(2022)
Review
Chemistry, Multidisciplinary
Zhiheng Li, Jian Tan, Caiyun Gao, Yuan Wang, Yonggang Wang, Mingxin Ye, Jianfeng Shen
Summary: Organic compounds are attractive alternatives to conventional inorganic materials for aqueous zinc-ion batteries, due to their high theoretical capacities, structural tunability, controllable synthesis, and environmental friendliness. This review provides a systematic overview of recent developments, energy storage mechanisms, and design strategies for aqueous Zn-organic batteries (ZOBs). It summarizes the ion storage mechanisms, analyzes the dynamic behavior, and highlights the synthesis strategies of organic electrode materials. It also discusses strategies to improve the electrochemical performance and the challenges for practical applications of aqueous ZOBs.
ENERGY & ENVIRONMENTAL SCIENCE
(2023)
Article
Chemistry, Multidisciplinary
Lanxiang Huang, Yilin Chen, Pu Deng, Bo Zhao, Xufeng Luo, Chang Chen, Yu Hu
Summary: High-oxidation niobium was used for the first time in cation doping of manganese dioxide to improve its kinetic and electrochemical properties. The results showed that the doping of niobium ions reduced the diffusion resistance of zinc ions in manganese dioxide, improving its migration kinetics and cycling performance. The sample with a Nb/Mn molar ratio of 0.003 exhibited the best kinetic reversibility and rate performance.
Article
Nanoscience & Nanotechnology
Zengming Qin, Yu Song, Duo Yang, Ming-Yue Zhang, Hua-Yu Shi, Cuicui Li, Xiaoqi Sun, Xiao-Xia Liu
Summary: A new Zn-MnO2 hybrid battery using Al3+ in the sulfate-based electrolyte is proposed, which exhibits excellent electrochemical performance and cycle life while avoiding environmental hazards and corrosion of the Zn anodes.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Physical
Panpan Zhang, Xu Wang, Yangyang Yang, Haifeng Yang, Chunsheng Lu, Mingru Su, Yu Zhou, Aichun Dou, Xiaowei Li, Xiaochuan Hou, Yunjian Liu
Summary: In this study, the influence of transition metal doping on the electronic and mechanical properties and electrochemical performance of 2HMoS2/NC was investigated using Cobalt (Co) as an example. Co doping was found to effectively improve the electronic conductivity and active site areas of 2H-MoS2/NC at different positions, optimizing the adsorption and diffusion capability of potassium ions. Furthermore, the study revealed the optimal roles of different types of nitrogen atoms in kinetic adsorption, diffusion, and interfacial stability of potassium ions. These findings provide guidance for the experimental design of high rate 2H-MoS2/NC electrode materials and the optimal design of other functional composite materials.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Zeeshan Ajmal, Mahmood Ul Haq, Shahid Zaman, M. K. Al-Muhanna, Anuj Kumar, Mohammed M. Fadhali, Siwar Ben Hadj Hassine, Muhammas Qasim, K. F. Alshammari, Ghulam Abbas Ashraf, Abdul Qadeer, Adil Murtaza, Sulaiman Al-Sulaimi, Huaqiang Zeng
Summary: This study presents a novel heterojunction structure (SrTiO3/CN-TAL10.0) for enhanced photocatalytic water splitting (PWS). The incorporation of thiophenedicarboxaldehyde (TAL) through copolymerization significantly improves the photocatalytic activity of carbon nitride (CN) while maintaining its photostability performance. The optimized composition allows efficient isolation of photoinduced charge carriers and enhanced charge transport, resulting in a remarkable increase in overall photocatalytic efficiency.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Angela Arnosa-Prieto, Patricia Diaz-Rodriguez, Manuel A. Gonzalez-Gomez, Pelayo Garcia-Acevedo, Lisandra de Castro-Alves, Yolanda Pineiro, Jose Rivas
Summary: Macrophages can exhibit different phenotypes depending on the microenvironment and the characteristics of magnetic iron oxide nanoparticles (MNPs). This study demonstrates that the concentration and morphology of MNPs can influence the polarization of macrophages. The findings have implications for therapeutics targeting tissue regeneration and tumor progression.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Yu Fang, Cheng-Ye Zhu, Hao-Cheng Yang, Chao Zhang, Zhi-Kang Xu
Summary: This study demonstrates the advantages of vacuum-assisted interfacial polymerization (VAIP) in fabricating polyimide nanofiltration membranes. By using vacuum filtration, aqueous solutions of PIP can be evenly distributed on different microfiltration substrates, leading to the fabrication of uniform and ultra-thin polyamide layers with excellent performance. The membranes exhibit high rejection rates and water permeance, as well as satisfactory long-term stability.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Isaac J. Gresham, Edwin C. Johnson, Hayden Robertson, Joshua D. Willott, Grant B. Webber, Erica J. Wanless, Andrew R. J. Nelson, Stuart W. Prescott
Summary: Understanding the interactions between polymers and surfactants is crucial for optimizing commercial systems. This study tested the behavior of polymer-surfactant systems, revealing that they do not behave like polyelectrolytes in the presence of salt. Additionally, the structure of polymer-surfactant complexes under confinement differs from that of polyelectrolytes.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Yunxiao Xie, Cui Liu, Jie Zhang, Yan Li, Bin Li, Shilin Liu
Summary: This study aimed to improve the microstructure and rheological properties of W/W Pickering emulsions by crosslinking sodium alginate at the water-water interface, thereby enhancing the activity of encapsulated probiotics in simulated gastrointestinal digestion.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Sang Ho Lee, Yige Sun, Patrick S. Grant
Summary: This research developed an effective approach to enhance the charging rates of lithium ion batteries (LIBs) by strategically incorporating carbon nanotube (CNT) conductivity boosters into Li4Ti5O12 (LTO) electrodes. Multi-layer architectures comprising CNT-rich and CNT-free LTO electrode layers were manufactured using a layer-by-layer spray coating method to promote charge transfer kinetics of high mass loading electrodes. The best performing multi-layer was paired with a spray-coated LiFePO4 (LFP) positive electrode, resulting in attractive power performance that outperformed conventional LTO || LFP combinations.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Jingwei Liang, Shaobin Li, Fengbo Li, Li Zhang, Yufeng Jiang, Huiyuan Ma, Kun Cheng, Liang Qing
Summary: A molybdenum-regulated self-supporting electrode material with rich vacancy defects has been successfully synthesized and shows exceptional catalytic activities and stability for electrocatalytic overall water splitting. This study provides a new perspective for the design and synthesis of non-precious metal bifunctional electrocatalysts.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Jonas Blahnik, Jennifer Schuster, Rainer Mueller, Eva Mueller, Werner Kunz
Summary: This study investigates the relationship between the morphology of PMMA monopolymers and PMMA-PHEMA copolymers with the expected nature of surfactant-free microemulsions (SFMEs) before polymerization. It is found that previously mesostructured, surfactant-free mixtures can produce porous polymers of different morphologies, while unstructured, oil-rich regions lead to solid, transparent polymers without nanostructured morphologies. Additionally, a surfactant-based reference system shows similar phase behavior and polymer morphologies as the comparable surfactant-free system, indicating the importance of the hydrotropic behavior of HEMA in this system.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Zheng-Fen Pu, Wen-Zhi She, Rong Sheng Li, Qiu-Lin Wen, Bi-Chao Wu, Chun-Hua Li, Jian Ling, Qiue Cao
Summary: This study synthesized two framework-isomeric covalent organic frameworks (COFs) and discovered that the light scattering signal of COFs can be used for the analytical detection of lead ions. By controlling synthesis conditions and introducing regulators, the morphology of COFs could be controlled and framework-isomeric COFs could be precisely synthesized.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Yuchen Weng, Ying Hong, Jingyu Deng, Sicheng Cao, Li-Juan Fan
Summary: This paper reports the preparation of dynamic color-changing fluorescent polymer nanoparticles (PNPs) by constructing a fluorescence resonance energy transfer (FRET) pair. The PNPs show excellent anti-counterfeiting effects and reproducibility. The study demonstrates a promising encryption strategy that can achieve multiple outputs with simple operation.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Guodong Liu, Zijian Wang, Jianing Wang, Hanbin Liu, Zhijian Li
Summary: This study investigates the combination of multicolor switchable polyaniline (PANI) electrode and 1-methyl-4,4'-bipyridyl iodide (MBI), which demonstrates superior optical properties in visible and near-infrared light modulation, as well as excellent electrochemical performances. This combination can be used to develop novel electrochromic devices for applications in smart packaging, smart labels, and flexible smart windows.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Huying Yan, Yang Guo, Xingzhi Bai, Jiawei Qi, Haipeng Lu
Summary: By modifying Ti3C2Tx through heterogeneous interface engineering, optimized impedance matching is achieved, leading to enhanced electromagnetic wave absorption performance.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Kehu Zhang, Yang Zhou, Silvia Moreno, Simona Schwarz, Susanne Boye, Brigitte Voit, Dietmar Appelhans
Summary: This article presents an advanced crosslinking strategy to fabricate clustered polymersomes using host-guest interactions. By controlling the input of crosslinker and environmental conditions, reversible aggregation and disassembly of these polymersomes can be achieved. The size and structure of these clustered polymersomes can be regulated and visualized through a fluorescent enzymatic cascade reaction.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)
Article
Chemistry, Physical
Junjie Xu, Weixiong Huang, Ruiling Li, Li Li, Jinjin Ma, Jiaou Qi, Haiyan Ma, Min Ruan, Lilin Lu
Summary: In this study, a potassium doped palladium catalyst was developed for acetylene hydrogenation, showing excellent catalytic performance and durability. The doping of potassium effectively weakened the adsorption of ethylene, improved ethylene selectivity, and lowered the barriers of hydrogen activation and transfer reactions.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2024)